A fork of Git containing Microsoft-specific patches.

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Taylor Blau a8dd7e05b1 config: enable `pack.writeReverseIndex` by default Back in `e37d0b8730` (builtin/index-pack.c: write reverse indexes, 2021-01-25), Git learned how to read and write a pack's reverse index from a file instead of in-memory. A pack's reverse index is a mapping from pack position (that is, the order that objects appear together in a ".pack") to their position in lexical order (that is, the order that objects are listed in an ".idx" file). Reverse indexes are consulted often during pack-objects, as well as during auxiliary operations that require mapping between pack offsets, pack order, and index index. They are useful in GitHub's infrastructure, where we have seen a dramatic increase in performance when writing ".rev" files[1]. In particular: - an ~80% reduction in the time it takes to serve fetches on a popular repository, Homebrew/homebrew-core. - a ~60% reduction in the peak memory usage to serve fetches on that same repository. - a collective savings of ~35% in CPU time across all pack-objects invocations serving fetches across all repositories in a single datacenter. Reverse indexes are also beneficial to end-users as well as forges. For example, the time it takes to generate a pack containing the objects for the 10 most recent commits in linux.git (representing a typical push) is significantly faster when on-disk reverse indexes are available: $ { git rev-parse HEAD && printf '^' && git rev-parse HEAD~10 } >in $ hyperfine -L v false,true 'git.compile -c pack.readReverseIndex={v} pack-objects --delta-base-offset --revs --stdout <in >/dev/null' Benchmark 1: git.compile -c pack.readReverseIndex=false pack-objects --delta-base-offset --revs --stdout <in >/dev/null Time (mean ± σ): 543.0 ms ± 20.3 ms [User: 616.2 ms, System: 58.8 ms] Range (min … max): 521.0 ms … 577.9 ms 10 runs Benchmark 2: git.compile -c pack.readReverseIndex=true pack-objects --delta-base-offset --revs --stdout <in >/dev/null Time (mean ± σ): 245.0 ms ± 11.4 ms [User: 335.6 ms, System: 31.3 ms] Range (min … max): 226.0 ms … 259.6 ms 13 runs Summary 'git.compile -c pack.readReverseIndex=true pack-objects --delta-base-offset --revs --stdout <in >/dev/null' ran 2.22 ± 0.13 times faster than 'git.compile -c pack.readReverseIndex=false pack-objects --delta-base-offset --revs --stdout <in >/dev/null' The same is true of writing a pack containing the objects for the 30 most-recent commits: $ { git rev-parse HEAD && printf '^' && git rev-parse HEAD~30 } >in $ hyperfine -L v false,true 'git.compile -c pack.readReverseIndex={v} pack-objects --delta-base-offset --revs --stdout <in >/dev/null' Benchmark 1: git.compile -c pack.readReverseIndex=false pack-objects --delta-base-offset --revs --stdout <in >/dev/null Time (mean ± σ): 866.5 ms ± 16.2 ms [User: 1414.5 ms, System: 97.0 ms] Range (min … max): 839.3 ms … 886.9 ms 10 runs Benchmark 2: git.compile -c pack.readReverseIndex=true pack-objects --delta-base-offset --revs --stdout <in >/dev/null Time (mean ± σ): 581.6 ms ± 10.2 ms [User: 1181.7 ms, System: 62.6 ms] Range (min … max): 567.5 ms … 599.3 ms 10 runs Summary 'git.compile -c pack.readReverseIndex=true pack-objects --delta-base-offset --revs --stdout <in >/dev/null' ran 1.49 ± 0.04 times faster than 'git.compile -c pack.readReverseIndex=false pack-objects --delta-base-offset --revs --stdout <in >/dev/null' ...and savings on trivial operations like computing the on-disk size of a single (packed) object are even more dramatic: $ git rev-parse HEAD >in $ hyperfine -L v false,true 'git.compile -c pack.readReverseIndex={v} cat-file --batch-check="%(objectsize:disk)" <in' Benchmark 1: git.compile -c pack.readReverseIndex=false cat-file --batch-check="%(objectsize:disk)" <in Time (mean ± σ): 305.8 ms ± 11.4 ms [User: 264.2 ms, System: 41.4 ms] Range (min … max): 290.3 ms … 331.1 ms 10 runs Benchmark 2: git.compile -c pack.readReverseIndex=true cat-file --batch-check="%(objectsize:disk)" <in Time (mean ± σ): 4.0 ms ± 0.3 ms [User: 1.7 ms, System: 2.3 ms] Range (min … max): 1.6 ms … 4.6 ms 1155 runs Summary 'git.compile -c pack.readReverseIndex=true cat-file --batch-check="%(objectsize:disk)" <in' ran 76.96 ± 6.25 times faster than 'git.compile -c pack.readReverseIndex=false cat-file --batch-check="%(objectsize:disk)" <in' In the more than two years since `e37d0b8730` was merged, Git's implementation of on-disk reverse indexes has been thoroughly tested, both from users enabling `pack.writeReverseIndexes`, and from GitHub's deployment of the feature. The latter has been running without incident for more than two years. This patch changes Git's behavior to write on-disk reverse indexes by default when indexing a pack, which should make the above operations faster for everybody's Git installation after a repack. (The previous commit explains some potential drawbacks of using on-disk reverse indexes in certain limited circumstances, that essentially boil down to a trade-off between time to generate, and time to access. For those limited cases, the `pack.readReverseIndex` escape hatch can be used). [1]: https://github.blog/2021-04-29-scaling-monorepo-maintenance/#reverse-indexes Signed-off-by: Taylor Blau <me@ttaylorr.com> Acked-by: Derrick Stolee <derrickstolee@github.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>		2023-04-13 07:55:46 -07:00
.github	Merge branch 'tb/ci-concurrency' into maint-2.39	2023-02-14 14:15:46 -08:00
Documentation	config: enable `pack.writeReverseIndex` by default	2023-04-13 07:55:46 -07:00
block-sha1	…
builtin	config: enable `pack.writeReverseIndex` by default	2023-04-13 07:55:46 -07:00
ci	add: remove "add.interactive.useBuiltin" & Perl "git add--interactive"	2023-02-06 15:03:34 -08:00
compat	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
contrib	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
ewah	alloc.h: move ALLOC_GROW() functions from cache.h	2023-02-23 17:25:28 -08:00
git-gui	Makefiles: change search through $(MAKEFLAGS) for GNU make 4.4	2022-12-01 07:24:12 +09:00
gitk-git	…
gitweb	…
mergetools	…
negotiator	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
oss-fuzz	treewide: ensure one of the appropriate headers is sourced first	2023-02-23 17:25:28 -08:00
perl	Git.pm: trust rev-parse to find bare repositories	2022-10-22 16:39:48 -07:00
po	Merge branch 'fz/po-zh_CN' of github.com:fangyi-zhou/git-po	2023-03-10 22:50:14 +08:00
refs	write-or-die.h: move declarations for write-or-die.c functions from cache.h	2023-03-21 10:56:54 -07:00
reftable	…
sha1collisiondetection@855827c583	…
sha1dc	…
sha256	…
t	config: enable `pack.writeReverseIndex` by default	2023-04-13 07:55:46 -07:00
templates	…
trace2	treewide: remove unnecessary includes of cache.h	2023-03-21 10:56:53 -07:00
xdiff	xdiff: mark unused parameter in xdl_call_hunk_func()	2022-12-13 22:16:23 +09:00
.cirrus.yml	…
.clang-format	…
.editorconfig	…
.gitattributes	.gitattributes: include `text` attribute for eol attributes	2023-02-06 13:57:08 -08:00
.gitignore	add: remove "add.interactive.useBuiltin" & Perl "git add--interactive"	2023-02-06 15:03:34 -08:00
.gitmodules	…
.mailmap	mailmap: change primary address for Emily Shaffer	2023-04-07 14:33:52 -07:00
.tsan-suppressions	…
CODE_OF_CONDUCT.md	…
COPYING	…
GIT-VERSION-GEN	Start the 2.41 cycle	2023-03-17 14:03:20 -07:00
INSTALL	add: remove "add.interactive.useBuiltin" & Perl "git add--interactive"	2023-02-06 15:03:34 -08:00
LGPL-2.1	…
Makefile	doc: remove GNU troff workaround	2023-03-21 13:16:46 -07:00
README.md	…
RelNotes	Start the 2.41 cycle	2023-03-17 14:03:20 -07:00
SECURITY.md	…
abspath.c	abspath.h: move absolute path functions from cache.h	2023-03-21 10:56:52 -07:00
abspath.h	abspath.h: move absolute path functions from cache.h	2023-03-21 10:56:52 -07:00
aclocal.m4	…
add-interactive.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
add-interactive.h	…
add-patch.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
advice.c	Merge branch 'fc/advice-diverged-history'	2023-03-19 15:03:13 -07:00
advice.h	Merge branch 'fc/advice-diverged-history'	2023-03-19 15:03:13 -07:00
alias.c	alloc.h: move ALLOC_GROW() functions from cache.h	2023-02-23 17:25:28 -08:00
alias.h	…
alloc.c	object.h: stop depending on cache.h; make cache.h depend on object.h	2023-02-23 17:25:29 -08:00
alloc.h	alloc.h: move ALLOC_GROW() functions from cache.h	2023-02-23 17:25:28 -08:00
apply.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
apply.h	…
archive-tar.c	write-or-die.h: move declarations for write-or-die.c functions from cache.h	2023-03-21 10:56:54 -07:00
archive-zip.c	write-or-die.h: move declarations for write-or-die.c functions from cache.h	2023-03-21 10:56:54 -07:00
archive.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
archive.h	archive: add --mtime	2023-02-18 09:29:13 -08:00
attr.c	setup.h: move declarations for setup.c functions from cache.h	2023-03-21 10:56:54 -07:00
attr.h	attr: fix instructions on how to check attrs	2023-01-26 14:16:48 -08:00
banned.h	…
base85.c	…
bisect.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
bisect.h	…
blame.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
blame.h	object.h: stop depending on cache.h; make cache.h depend on object.h	2023-02-23 17:25:29 -08:00
blob.c	object.h: stop depending on cache.h; make cache.h depend on object.h	2023-02-23 17:25:29 -08:00
blob.h	blob: drop unused parts of parse_blob_buffer()	2022-12-13 22:16:22 +09:00
bloom.c	…
bloom.h	…
branch.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
branch.h	…
builtin.h	builtins: annotate always-empty prefix parameters	2023-03-28 14:11:24 -07:00
bulk-checkin.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
bulk-checkin.h	treewide: remove unnecessary cache.h inclusion from a few headers	2023-03-21 10:56:50 -07:00
bundle-uri.c	Merge branch 'ds/fetch-bundle-uri-with-all'	2023-04-06 13:38:32 -07:00
bundle-uri.h	clone: set fetch.bundleURI if appropriate	2023-01-31 08:57:48 -08:00
bundle.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
bundle.h	treewide: remove unnecessary cache.h inclusion from a few headers	2023-03-21 10:56:50 -07:00
cache-tree.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
cache-tree.h	object.h: stop depending on cache.h; make cache.h depend on object.h	2023-02-23 17:25:29 -08:00
cache.h	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
cbtree.c	treewide: ensure one of the appropriate headers is sourced first	2023-02-23 17:25:28 -08:00
cbtree.h	treewide: remove unnecessary git-compat-util.h includes in headers	2023-02-23 17:25:28 -08:00
chdir-notify.c	abspath.h: move absolute path functions from cache.h	2023-03-21 10:56:52 -07:00
chdir-notify.h	…
check-builtins.sh	…
checkout.c	cocci: apply the "cache.h" part of "the_repository.pending"	2023-03-28 07:36:36 -07:00
checkout.h	treewide: remove unnecessary cache.h includes	2023-02-23 17:25:28 -08:00
chunk-format.c	csum-file.h: remove unnecessary inclusion of cache.h	2023-03-21 10:56:55 -07:00
chunk-format.h	treewide: remove unnecessary git-compat-util.h includes in headers	2023-02-23 17:25:28 -08:00
color.c	treewide: be explicit about dependence on gettext.h	2023-03-21 10:56:51 -07:00
color.h	…
column.c	utf8: fix truncated string lengths in `utf8_strnwidth()`	2022-12-09 14:26:21 +09:00
column.h	…
combine-diff.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
command-list.txt	…
commit-graph.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
commit-graph.h	Merge branch 'ds/ahead-behind'	2023-04-06 13:38:21 -07:00
commit-reach.c	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
commit-reach.h	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
commit-slab-decl.h	…
commit-slab-impl.h	treewide: remove unnecessary git-compat-util.h includes in headers	2023-02-23 17:25:28 -08:00
commit-slab.h	…
commit.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
commit.h	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
common-main.c	setup.h: move declarations for setup.c functions from cache.h	2023-03-21 10:56:54 -07:00
config.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
config.h	Merge branch 'gc/config-parsing-cleanup'	2023-04-06 13:38:29 -07:00
config.mak.dev	config.mak.dev: disable suggest braces error on old clang versions	2022-10-10 11:15:31 -07:00
config.mak.in	…
config.mak.uname	Merge branch 'hj/remove-msys-support'	2023-02-09 14:40:47 -08:00
configure.ac	…
connect.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
connect.h	Merge branch 'jk/fix-proto-downgrade-to-v0'	2023-03-28 10:51:52 -07:00
connected.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
connected.h	receive-pack: only use visible refs for connectivity check	2022-11-17 16:22:52 -05:00
convert.c	wrapper.h: move declarations for wrapper.c functions from cache.h	2023-03-21 10:56:53 -07:00
convert.h	…
copy.c	wrapper.h: move declarations for wrapper.c functions from cache.h	2023-03-21 10:56:53 -07:00
credential.c	abspath.h: move absolute path functions from cache.h	2023-03-21 10:56:52 -07:00
credential.h	Merge branch 'mc/credential-helper-www-authenticate'	2023-03-17 14:03:10 -07:00
csum-file.c	treewide: remove cache.h inclusion due to environment.h changes	2023-03-21 10:56:54 -07:00
csum-file.h	csum-file.h: remove unnecessary inclusion of cache.h	2023-03-21 10:56:55 -07:00
ctype.c	…
daemon.c	setup.h: move declarations for setup.c functions from cache.h	2023-03-21 10:56:54 -07:00
date.c	treewide: be explicit about dependence on gettext.h	2023-03-21 10:56:51 -07:00
date.h	…
decorate.c	treewide: replace cache.h with more direct headers, where possible	2023-02-23 17:25:30 -08:00
decorate.h	…
delta-islands.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
delta-islands.h	delta-islands: free island_marks and bitmaps	2023-02-03 18:01:46 -08:00
delta.h	…
detect-compiler	…
diagnose.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
diagnose.h	treewide: remove unnecessary inclusions of parse-options.h from headers	2023-03-20 11:55:18 -07:00
diff-delta.c	…
diff-lib.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
diff-merges.c	object.h: stop depending on cache.h; make cache.h depend on object.h	2023-02-23 17:25:29 -08:00
diff-merges.h	…
diff-no-index.c	abspath.h: move absolute path functions from cache.h	2023-03-21 10:56:52 -07:00
diff.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
diff.h	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
diffcore-break.c	cocci: apply the "promisor-remote.h" part of "the_repository.pending"	2023-03-28 07:36:46 -07:00
diffcore-delta.c	object.h: stop depending on cache.h; make cache.h depend on object.h	2023-02-23 17:25:29 -08:00
diffcore-order.c	treewide: replace cache.h with more direct headers, where possible	2023-02-23 17:25:30 -08:00
diffcore-pickaxe.c	pretty.h: move has_non_ascii() declaration from commit.h	2023-02-23 17:25:29 -08:00
diffcore-rename.c	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
diffcore-rotate.c	treewide: replace cache.h with more direct headers, where possible	2023-02-23 17:25:30 -08:00
diffcore.h	hash.h: move some oid-related declarations from cache.h	2023-02-23 17:25:28 -08:00
dir-iterator.c	Merge branch 'en/header-cleanup'	2023-03-17 14:03:09 -07:00
dir-iterator.h	dir-iterator: drop unused `DIR_ITERATOR_FOLLOW_SYMLINKS`	2023-02-16 16:21:56 -08:00
dir.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
dir.h	Merge branch 'en/header-cleanup'	2023-03-17 14:03:09 -07:00
editor.c	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
entry.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
entry.h	treewide: remove unnecessary cache.h includes	2023-02-23 17:25:28 -08:00
environment.c	write-or-die.h: move declarations for write-or-die.c functions from cache.h	2023-03-21 10:56:54 -07:00
environment.h	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
exec-cmd.c	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
exec-cmd.h	…
fetch-negotiator.c	…
fetch-negotiator.h	…
fetch-pack.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
fetch-pack.h	…
fmt-merge-msg.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
fmt-merge-msg.h	…
fsck.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
fsck.h	object.h: stop depending on cache.h; make cache.h depend on object.h	2023-02-23 17:25:29 -08:00
fsmonitor--daemon.h	fsmonitor: deal with synthetic firmlinks on macOS	2022-10-05 11:05:23 -07:00
fsmonitor-ipc.c	treewide: be explicit about dependence on gettext.h	2023-03-21 10:56:51 -07:00
fsmonitor-ipc.h	fsmonitor: relocate socket file if .git directory is remote	2022-10-05 11:05:22 -07:00
fsmonitor-path-utils.h	fsmonitor: deal with synthetic firmlinks on macOS	2022-10-05 11:05:23 -07:00
fsmonitor-settings.c	alloc.h: move ALLOC_GROW() functions from cache.h	2023-02-23 17:25:28 -08:00
fsmonitor-settings.h	fsmonitor: check for compatability before communicating with fsmonitor	2022-10-05 11:05:23 -07:00
fsmonitor.c	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
fsmonitor.h	fsmonitor: avoid overriding `cache_changed` bits	2023-03-27 09:40:39 -07:00
generate-cmdlist.sh	…
generate-configlist.sh	…
generate-hooklist.sh	…
gettext.c	treewide: remove cache.h inclusion due to environment.h changes	2023-03-21 10:56:54 -07:00
gettext.h	…
git-archimport.perl	…
git-compat-util.h	Merge branch 'pe/time-use-gettimeofday'	2023-03-28 10:51:52 -07:00
git-curl-compat.h	http: support CURLOPT_PROTOCOLS_STR	2023-02-06 09:27:09 +01:00
git-cvsexportcommit.perl	…
git-cvsimport.perl	…
git-cvsserver.perl	…
git-difftool--helper.sh	…
git-filter-branch.sh	…
git-instaweb.sh	…
git-merge-octopus.sh	…
git-merge-one-file.sh	…
git-merge-resolve.sh	…
git-mergetool--lib.sh	…
git-mergetool.sh	…
git-p4.py	…
git-quiltimport.sh	…
git-request-pull.sh	request-pull: filter out SSH/X.509 tag signatures	2023-01-25 15:54:41 -08:00
git-send-email.perl	Merge branch 'jc/spell-id-in-both-caps-in-message-id'	2023-04-11 13:49:12 -07:00
git-sh-i18n.sh	…
git-sh-setup.sh	…
git-submodule.sh	Merge branch 'ss/pull-v-recurse-fix'	2022-12-28 12:06:17 +09:00
git-svn.perl	…
git-web--browse.sh	…
git.c	Merge branch 'ws/sparse-check-rules'	2023-04-11 13:49:12 -07:00
git.rc	…
gpg-interface.c	treewide: remove unnecessary includes of cache.h	2023-03-21 10:56:53 -07:00
gpg-interface.h	gpg-interface: lazily initialize and read the configuration	2023-02-09 17:01:27 -08:00
graph.c	treewide: replace cache.h with more direct headers, where possible	2023-02-23 17:25:30 -08:00
graph.h	…
grep.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
grep.h	grep: work around UTF-8 related JIT bug in PCRE2 <= 10.34	2023-03-23 11:19:34 -07:00
hash-lookup.c	…
hash-lookup.h	…
hash.h	hash.h: move some oid-related declarations from cache.h	2023-02-23 17:25:28 -08:00
hashmap.c	treewide: remove unnecessary cache.h includes in source files	2023-02-23 17:25:28 -08:00
hashmap.h	hashmap.h: fix minor typo	2023-03-30 10:18:39 -07:00
help.c	Merge branch 'jk/unused-post-2.39-part2'	2023-03-17 14:03:09 -07:00
help.h	…
hex.c	hex.h: move some hex-related declarations from cache.h	2023-02-23 17:25:28 -08:00
hex.h	hex.h: move some hex-related declarations from cache.h	2023-02-23 17:25:28 -08:00
hook.c	Merge branch 'jk/unused-post-2.39-part2'	2023-03-17 14:03:09 -07:00
hook.h	hook API: support passing stdin to hooks, convert am's 'post-rewrite'	2023-02-08 12:50:03 -08:00
http-backend.c	write-or-die.h: move declarations for write-or-die.c functions from cache.h	2023-03-21 10:56:54 -07:00
http-fetch.c	setup.h: move declarations for setup.c functions from cache.h	2023-03-21 10:56:54 -07:00
http-push.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
http-walker.c	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
http.c	Merge branch 'sm/ssl-key-type-config'	2023-04-06 13:38:29 -07:00
http.h	Sync with 2.37.6	2023-02-06 09:43:28 +01:00
ident.c	ident.h: move ident-related declarations out of cache.h	2023-02-23 17:25:29 -08:00
ident.h	ident.h: move ident-related declarations out of cache.h	2023-02-23 17:25:29 -08:00
imap-send.c	setup.h: move declarations for setup.c functions from cache.h	2023-03-21 10:56:54 -07:00
iterator.h	…
json-writer.c	treewide: remove unnecessary cache.h includes in source files	2023-02-23 17:25:28 -08:00
json-writer.h	…
khash.h	treewide: remove unnecessary cache.h includes	2023-02-23 17:25:28 -08:00
kwset.c	treewide: remove unnecessary cache.h includes in source files	2023-02-23 17:25:28 -08:00
kwset.h	…
levenshtein.c	treewide: remove unnecessary cache.h includes in source files	2023-02-23 17:25:28 -08:00
levenshtein.h	…
line-log.c	treewide: remove cache.h inclusion due to setup.h changes	2023-03-21 10:56:54 -07:00
line-log.h	hash.h: move some oid-related declarations from cache.h	2023-02-23 17:25:28 -08:00
line-range.c	line-range: fix infinite loop bug with '$' regex	2022-12-20 10:00:43 +09:00
line-range.h	…
linear-assignment.c	treewide: remove unnecessary cache.h includes in source files	2023-02-23 17:25:28 -08:00
linear-assignment.h	…
list-objects-filter-options.c	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
list-objects-filter-options.h	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
list-objects-filter.c	treewide: be explicit about dependence on gettext.h	2023-03-21 10:56:51 -07:00
list-objects-filter.h	…
list-objects.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
list-objects.h	…
list.h	…
ll-merge.c	wrapper.h: move declarations for wrapper.c functions from cache.h	2023-03-21 10:56:53 -07:00
ll-merge.h	…
lockfile.c	treewide: remove unnecessary includes of cache.h	2023-03-21 10:56:53 -07:00
lockfile.h	…
log-tree.c	Merge branch 'jc/spell-id-in-both-caps-in-message-id'	2023-04-11 13:49:12 -07:00
log-tree.h	…
ls-refs.c	treewide: remove cache.h inclusion due to environment.h changes	2023-03-21 10:56:54 -07:00
ls-refs.h	…
mailinfo.c	Merge branch 'jc/spell-id-in-both-caps-in-message-id'	2023-04-11 13:49:12 -07:00
mailinfo.h	…
mailmap.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
mailmap.h	…
match-trees.c	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
mem-pool.c	treewide: remove unnecessary cache.h includes in source files	2023-02-23 17:25:28 -08:00
mem-pool.h	…
merge-blobs.c	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
merge-blobs.h	…
merge-ort-wrappers.c	treewide: be explicit about dependence on gettext.h	2023-03-21 10:56:51 -07:00
merge-ort-wrappers.h	…
merge-ort.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
merge-ort.h	…
merge-recursive.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
merge-recursive.h	…
merge.c	treewide: be explicit about dependence on gettext.h	2023-03-21 10:56:51 -07:00
mergesort.h	…
midx.c	csum-file.h: remove unnecessary inclusion of cache.h	2023-03-21 10:56:55 -07:00
midx.h	…
name-hash.c	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
notes-cache.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
notes-cache.h	…
notes-merge.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
notes-merge.h	…
notes-utils.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
notes-utils.h	…
notes.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
notes.h	…
object-file.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
object-name.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
object-store.h	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
object.c	treewide: be explicit about dependence on gettext.h	2023-03-21 10:56:51 -07:00
object.h	object.h: stop depending on cache.h; make cache.h depend on object.h	2023-02-23 17:25:29 -08:00
oid-array.c	alloc.h: move ALLOC_GROW() functions from cache.h	2023-02-23 17:25:28 -08:00
oid-array.h	…
oidmap.c	treewide: remove unnecessary cache.h includes in source files	2023-02-23 17:25:28 -08:00
oidmap.h	treewide: remove unnecessary cache.h includes	2023-02-23 17:25:28 -08:00
oidset.c	hex.h: move some hex-related declarations from cache.h	2023-02-23 17:25:28 -08:00
oidset.h	…
oidtree.c	treewide: ensure one of the appropriate headers is sourced first	2023-02-23 17:25:28 -08:00
oidtree.h	…
pack-bitmap-write.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
pack-bitmap.c	pack-revindex: make `load_pack_revindex` take a repository	2023-04-13 07:55:45 -07:00
pack-bitmap.h	…
pack-check.c	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
pack-mtimes.c	treewide: be explicit about dependence on gettext.h	2023-03-21 10:56:51 -07:00
pack-mtimes.h	treewide: remove unnecessary git-compat-util.h includes in headers	2023-02-23 17:25:28 -08:00
pack-objects.c	alloc.h: move ALLOC_GROW() functions from cache.h	2023-02-23 17:25:28 -08:00
pack-objects.h	…
pack-revindex.c	pack-revindex: introduce `pack.readReverseIndex`	2023-04-13 07:55:46 -07:00
pack-revindex.h	pack-revindex: introduce GIT_TEST_REV_INDEX_DIE_ON_DISK	2023-04-13 07:55:46 -07:00
pack-write.c	pack-write.c: plug a leak in stage_tmp_packfiles()	2023-04-13 07:55:45 -07:00
pack.h	csum-file.h: remove unnecessary inclusion of cache.h	2023-03-21 10:56:55 -07:00
packfile.c	pack-revindex: make `load_pack_revindex` take a repository	2023-04-13 07:55:45 -07:00
packfile.h	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
pager.c	…
parallel-checkout.c	wrapper.h: move declarations for wrapper.c functions from cache.h	2023-03-21 10:56:53 -07:00
parallel-checkout.h	…
parse-options-cb.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
parse-options.c	treewide: remove unnecessary includes of cache.h	2023-03-21 10:56:53 -07:00
parse-options.h	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
patch-delta.c	…
patch-ids.c	treewide: remove unnecessary cache.h inclusion from several sources	2023-03-21 10:56:51 -07:00
patch-ids.h	patch-id: use stable patch-id for rebases	2022-10-24 15:44:19 -07:00
path.c	treewide: remove cache.h inclusion due to setup.h changes	2023-03-21 10:56:54 -07:00
path.h	path.h: move function declarations for path.c functions from cache.h	2023-03-21 10:56:52 -07:00
pathspec.c	setup.h: move declarations for setup.c functions from cache.h	2023-03-21 10:56:54 -07:00
pathspec.h	dir.h: refactor to no longer need to include cache.h	2023-02-23 17:25:29 -08:00
pkt-line.c	write-or-die.h: move declarations for write-or-die.c functions from cache.h	2023-03-21 10:56:54 -07:00
pkt-line.h	treewide: remove unnecessary git-compat-util.h includes in headers	2023-02-23 17:25:28 -08:00
preload-index.c	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
pretty.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
pretty.h	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
prio-queue.c	alloc.h: move ALLOC_GROW() functions from cache.h	2023-02-23 17:25:28 -08:00
prio-queue.h	…
progress.c	treewide: remove unnecessary inclusion of gettext.h	2023-03-21 10:56:51 -07:00
progress.h	…
promisor-remote.c	treewide: be explicit about dependence on gettext.h	2023-03-21 10:56:51 -07:00
promisor-remote.h	cocci: apply the "promisor-remote.h" part of "the_repository.pending"	2023-03-28 07:36:46 -07:00
prompt.c	treewide: remove cache.h inclusion due to environment.h changes	2023-03-21 10:56:54 -07:00
prompt.h	…
protocol-caps.c	Merge branch 'jx/cap-object-info-uninitialized-fix'	2023-04-11 13:49:13 -07:00
protocol-caps.h	…
protocol.c	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
protocol.h	…
prune-packed.c	treewide: remove cache.h inclusion due to environment.h changes	2023-03-21 10:56:54 -07:00
prune-packed.h	…
quote.c	treewide: replace cache.h with more direct headers, where possible	2023-02-23 17:25:30 -08:00
quote.h	…
range-diff.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
range-diff.h	…
reachable.c	treewide: remove cache.h inclusion due to environment.h changes	2023-03-21 10:56:54 -07:00
reachable.h	…
read-cache.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
rebase-interactive.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
rebase-interactive.h	…
rebase.c	treewide: ensure one of the appropriate headers is sourced first	2023-02-23 17:25:28 -08:00
rebase.h	…
ref-filter.c	Merge branch 'ow/ref-format-remove-unused-member'	2023-04-06 13:38:32 -07:00
ref-filter.h	Merge branch 'ow/ref-format-remove-unused-member'	2023-04-06 13:38:32 -07:00
reflog-walk.c	alloc.h: move ALLOC_GROW() functions from cache.h	2023-02-23 17:25:28 -08:00
reflog-walk.h	treewide: remove unnecessary cache.h includes	2023-02-23 17:25:28 -08:00
reflog.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
reflog.h	…
refs.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
refs.h	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
refspec.c	treewide: remove unnecessary cache.h inclusion from a few headers	2023-03-21 10:56:50 -07:00
refspec.h	…
remote-curl.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
remote.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
remote.h	Merge branch 'sg/parse-options-h-users'	2023-03-30 13:47:11 -07:00
replace-object.c	treewide: remove unnecessary cache.h inclusion from several sources	2023-03-21 10:56:51 -07:00
replace-object.h	replace-object.h: move read_replace_refs declaration from cache.h to here	2023-02-23 17:25:30 -08:00
repo-settings.c	pack-revindex: introduce `pack.readReverseIndex`	2023-04-13 07:55:46 -07:00
repository.c	setup.h: move declarations for setup.c functions from cache.h	2023-03-21 10:56:54 -07:00
repository.h	pack-revindex: introduce `pack.readReverseIndex`	2023-04-13 07:55:46 -07:00
rerere.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
rerere.h	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
reset.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
reset.h	…
resolve-undo.c	…
resolve-undo.h	…
revision.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
revision.h	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
run-command.c	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
run-command.h	Merge branch 'rs/no-more-run-command-v'	2022-11-08 17:15:12 -05:00
scalar.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
send-pack.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
send-pack.h	…
sequencer.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
sequencer.h	treewide: remove unnecessary cache.h includes	2023-02-23 17:25:28 -08:00
serve.c	Merge branch 'jk/unused-post-2.39-part2'	2023-03-17 14:03:09 -07:00
serve.h	…
server-info.c	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
setup.c	setup.h: move declarations for setup.c functions from cache.h	2023-03-21 10:56:54 -07:00
setup.h	setup.h: move declarations for setup.c functions from cache.h	2023-03-21 10:56:54 -07:00
sh-i18n--envsubst.c	…
sha1dc_git.c	treewide: replace cache.h with more direct headers, where possible	2023-02-23 17:25:30 -08:00
sha1dc_git.h	Makefile & test-tool: replace "DC_SHA1" variable with a "define"	2022-11-07 22:11:51 -05:00
shallow.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
shallow.h	object.h: stop depending on cache.h; make cache.h depend on object.h	2023-02-23 17:25:29 -08:00
shared.mak	Merge branch 'ab/gnumake-4.4-fix'	2022-12-01 18:38:07 +09:00
shell.c	treewide: remove unnecessary cache.h includes in source files	2023-02-23 17:25:28 -08:00
shortlog.h	shortlog: extract `shortlog_finish_setup()`	2022-10-24 14:48:05 -07:00
sideband.c	write-or-die.h: move declarations for write-or-die.c functions from cache.h	2023-03-21 10:56:54 -07:00
sideband.h	…
sigchain.c	alloc.h: move ALLOC_GROW() functions from cache.h	2023-02-23 17:25:28 -08:00
sigchain.h	…
simple-ipc.h	…
sparse-index.c	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
sparse-index.h	…
split-index.c	treewide: be explicit about dependence on gettext.h	2023-03-21 10:56:51 -07:00
split-index.h	…
stable-qsort.c	…
statinfo.h	dir.h: refactor to no longer need to include cache.h	2023-02-23 17:25:29 -08:00
strbuf.c	wrapper.h: move declarations for wrapper.c functions from cache.h	2023-03-21 10:56:53 -07:00
strbuf.h	post-cocci: adjust comments for recent repo_* migration	2023-03-28 07:36:46 -07:00
streaming.c	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
streaming.h	treewide: remove unnecessary cache.h inclusion from a few headers	2023-03-21 10:56:50 -07:00
string-list.c	alloc.h: move ALLOC_GROW() functions from cache.h	2023-02-23 17:25:28 -08:00
string-list.h	…
strmap.c	…
strmap.h	…
strvec.c	cache.h: remove dependence on hex.h; make other files include it explicitly	2023-02-23 17:25:29 -08:00
strvec.h	…
sub-process.c	treewide: ensure one of the appropriate headers is sourced first	2023-02-23 17:25:28 -08:00
sub-process.h	treewide: remove unnecessary git-compat-util.h includes in headers	2023-02-23 17:25:28 -08:00
submodule-config.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
submodule-config.h	hash.h: move some oid-related declarations from cache.h	2023-02-23 17:25:28 -08:00
submodule.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
submodule.h	read-tree: add "--super-prefix" option, eliminate global	2022-12-26 10:21:44 +09:00
symlinks.c	setup.h: move declarations for setup.c functions from cache.h	2023-03-21 10:56:54 -07:00
tag.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
tag.h	…
tar.h	…
tempfile.c	treewide: remove unnecessary includes of cache.h	2023-03-21 10:56:53 -07:00
tempfile.h	…
thread-utils.c	treewide: remove unnecessary cache.h includes in source files	2023-02-23 17:25:28 -08:00
thread-utils.h	…
tmp-objdir.c	environment.h: move declarations for environment.c functions from cache.h	2023-03-21 10:56:53 -07:00
tmp-objdir.h	replace and remove run_command_v_opt_cd_env()	2022-10-30 14:04:47 -04:00
trace.c	setup.h: move declarations for setup.c functions from cache.h	2023-03-21 10:56:54 -07:00
trace.h	Merge branch 'en/header-cleanup'	2023-03-17 14:03:09 -07:00
trace2.c	treewide: remove unnecessary cache.h includes in source files	2023-02-23 17:25:28 -08:00
trace2.h	trace2: add global counter mechanism	2022-10-24 12:45:26 -07:00
trailer.c	treewide: remove cache.h inclusion due to environment.h changes	2023-03-21 10:56:54 -07:00
trailer.h	…
transport-helper.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
transport-internal.h	clone: request the 'bundle-uri' command when available	2022-12-25 16:24:23 +09:00
transport.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
transport.h	treewide: remove unnecessary cache.h inclusion from a few headers	2023-03-21 10:56:50 -07:00
tree-diff.c	…
tree-walk.c	treewide: be explicit about dependence on gettext.h	2023-03-21 10:56:51 -07:00
tree-walk.h	hash.h: move some oid-related declarations from cache.h	2023-02-23 17:25:28 -08:00
tree.c	Merge branch 'ab/remove-implicit-use-of-the-repository'	2023-04-06 13:38:30 -07:00
tree.h	…
unicode-width.h	unicode: update the width tables to Unicode 15	2023-03-30 13:06:12 -07:00
unimplemented.sh	…
unix-socket.c	treewide: replace cache.h with more direct headers, where possible	2023-02-23 17:25:30 -08:00
unix-socket.h	…
unix-stream-server.c	treewide: remove unnecessary cache.h includes in source files	2023-02-23 17:25:28 -08:00
unix-stream-server.h	…
unpack-trees.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
unpack-trees.h	unpack-trees: add usage notices around df_conflict_entry	2023-02-27 08:29:51 -08:00
upload-pack.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
upload-pack.h	…
url.c	treewide: replace cache.h with more direct headers, where possible	2023-02-23 17:25:30 -08:00
url.h	…
urlmatch.c	treewide: replace cache.h with more direct headers, where possible	2023-02-23 17:25:30 -08:00
urlmatch.h	…
usage.c	treewide: remove unnecessary includes of cache.h	2023-03-21 10:56:53 -07:00
userdiff.c	Merge branch 'en/header-cleanup'	2023-03-17 14:03:09 -07:00
userdiff.h	diff: teach diff to read algorithm from diff driver	2023-02-21 09:29:10 -08:00
utf8.c	Sync with Git 2.31.6	2022-12-13 21:09:40 +09:00
utf8.h	Sync with Git 2.31.6	2022-12-13 21:09:40 +09:00
varint.c	…
varint.h	…
version.c	…
version.h	…
versioncmp.c	config API: add "string" version of *_value_multi(), fix segfaults	2023-03-28 07:37:53 -07:00
walker.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
walker.h	…
wildmatch.c	Merge branch 'pw/wildmatch-fixes'	2023-04-04 14:28:27 -07:00
wildmatch.h	wildmatch: hide internal return values	2023-03-20 10:58:53 -07:00
worktree.c	treewide: remove cache.h inclusion due to setup.h changes	2023-03-21 10:56:54 -07:00
worktree.h	Merge branch 'rj/avoid-switching-to-already-used-branch'	2023-03-19 15:03:11 -07:00
wrap-for-bin.sh	…
wrapper.c	wrapper.h: move declarations for wrapper.c functions from cache.h	2023-03-21 10:56:53 -07:00
wrapper.h	wrapper.h: move declarations for wrapper.c functions from cache.h	2023-03-21 10:56:53 -07:00
write-or-die.c	write-or-die.h: move declarations for write-or-die.c functions from cache.h	2023-03-21 10:56:54 -07:00
write-or-die.h	write-or-die.h: move declarations for write-or-die.c functions from cache.h	2023-03-21 10:56:54 -07:00
ws.c	Merge branch 'kn/attr-from-tree'	2023-01-23 13:39:51 -08:00
wt-status.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
wt-status.h	…
xdiff-interface.c	Merge branch 'en/header-split-cleanup'	2023-04-06 13:38:31 -07:00
xdiff-interface.h	treewide: remove unnecessary cache.h includes	2023-02-23 17:25:28 -08:00
zlib.c	…

README.md

Git - fast, scalable, distributed revision control system

Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals.

Git is an Open Source project covered by the GNU General Public License version 2 (some parts of it are under different licenses, compatible with the GPLv2). It was originally written by Linus Torvalds with help of a group of hackers around the net.

Please read the file INSTALL for installation instructions.

Many Git online resources are accessible from https://git-scm.com/ including full documentation and Git related tools.

See Documentation/gittutorial.txt to get started, then see Documentation/giteveryday.txt for a useful minimum set of commands, and Documentation/git-<commandname>.txt for documentation of each command. If git has been correctly installed, then the tutorial can also be read with man gittutorial or git help tutorial, and the documentation of each command with man git-<commandname> or git help <commandname>.

CVS users may also want to read Documentation/gitcvs-migration.txt (man gitcvs-migration or git help cvs-migration if git is installed).

The user discussion and development of Git take place on the Git mailing list -- everyone is welcome to post bug reports, feature requests, comments and patches to git@vger.kernel.org (read Documentation/SubmittingPatches for instructions on patch submission and Documentation/CodingGuidelines).

Those wishing to help with error message, usage and informational message string translations (localization l10) should see po/README.md (a po file is a Portable Object file that holds the translations).

To subscribe to the list, send an email with just "subscribe git" in the body to majordomo@vger.kernel.org (not the Git list). The mailing list archives are available at https://lore.kernel.org/git/, http://marc.info/?l=git and other archival sites.

Issues which are security relevant should be disclosed privately to the Git Security mailing list git-security@googlegroups.com.

The maintainer frequently sends the "What's cooking" reports that list the current status of various development topics to the mailing list. The discussion following them give a good reference for project status, development direction and remaining tasks.

The name "git" was given by Linus Torvalds when he wrote the very first version. He described the tool as "the stupid content tracker" and the name as (depending on your mood):

random three-letter combination that is pronounceable, and not actually used by any common UNIX command. The fact that it is a mispronunciation of "get" may or may not be relevant.
stupid. contemptible and despicable. simple. Take your pick from the dictionary of slang.
"global information tracker": you're in a good mood, and it actually works for you. Angels sing, and a light suddenly fills the room.
"goddamn idiotic truckload of sh*t": when it breaks